Theoretical investigation of change of magnetic property due to creep damage using Jiles-Atherton magnetization model

Issue title: ASAEM 2001

Article type: Research Article

Authors: Chen, Gangzhu^{a; *} | Shiwa, Mitsuharu^a | Yoneyama, Hiroshi^a

Affiliations: [a] Tsurumi R&D Center, Japan Power Engineering and Inspection Corporation, 14-1 Benten-cho,Tsurumi-ku, Yokohama-shi, Japan 230-0044

Correspondence: [*] Corresponding author: Tel.: +45 511 2751; Fax: +45 511 2750; E-mail: cg3@attbi.com

Abstract: Magnetic testing of creep damage shows that there is a correlation between the testing signals and the creep. It is observed that the hysteresis loss and the third harmonic of the testing signals change obviously with the progress of the creep. To explain the experimental phenomena theoretically, Jiles-Atherton magnetization model is tried to predicate the change of the magnetic property. The magnetization curves in presence of the creep are simulated by introducing the microstructure changes due to the creep into the Jiles-Atherton model. By comparison of the theoretical and experimental results, it is shown that the trend of the change of the magnetic property predicated by the simulation agrees with that observed by the magnetic testing.

DOI: 10.3233/JAE-2002-237

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 16, no. 3-4, pp. 189-196, 2002